class RefDate
  HOUR = "hour"
  DAY = "day"
  WEEK = "week"
  MONTH = "month"
  QUARTER = "quarter"
  HALF_YEAR = "half_year"
  YEAR = "year"
  
  HOURLY = "hour"
  DAILY = "daily"
  WEEKLY = "weekly"
  MONTHLY = "monthly"
  QUARTERLY = "quarterly"
  YEARLY = "annual"

  

  
  # # reference of actions
  # def self.action_statuses
  #   {"active" => "deactivate", "inactive" => "activate", "canceled" => "cancel", "demo" => "demo"}
  # end

end